1.

The K_sp of PbCO_3 and MgCO_3 are 1.5 xx 10^-15 and 1 xx 10^-15 repectively at 298 K. What is the concentration of Pb^2+ ions in saturated solution containing MgCO_3 and PbCO_3 ?

Answer»

`1.5xx10^(-4)` M
`3XX10^(-8)` M
`2 xx 10^(-8)` M
`2.5 xx 10^(-8)` M

Answer :B


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